package filter;


import javax.servlet.*;
import javax.servlet.annotation.WebFilter;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

@WebFilter("/*")
public class EncodeFilter implements Filter {
    @Override
    public void init(FilterConfig filterConfig) throws ServletException {
        //Filter.super.init(filterConfig);
    }

    @Override
    public void doFilter(ServletRequest req, ServletResponse resp, FilterChain filterChain) throws IOException, ServletException {
        HttpServletRequest request = (HttpServletRequest) req;
        HttpServletResponse response = (HttpServletResponse) resp;
        if (request.getCharacterEncoding() == null) {
            request.setCharacterEncoding("UTF-8");
        }
        if (response.getCharacterEncoding() == null) {
            response.setCharacterEncoding("UTF-8");
            response.setContentType("text/html;charset=UTF-8");
        }
        filterChain.doFilter(req, resp);
    }

    @Override
    public void destroy() {
        //Filter.super.destroy();
    }
}
